The purpose of the research is to improve the biogas production rate and yield during anaerobic digestion of cattle manure.
Hydrolysis being an anaerobic digestion-limiting step, a literature study was carried out on the ways to improve it by varying the experimental conditions. Bioaugmentation, addition of surfactant and decreasing the pH to 7.0 were expected to enhance biogas production. Growth of selected organisms was studied for their addition into reactors. Two reactors were operated under pH-control at 7.0 but the experiment had to be stopped because of the acid addition that was excessive.
Meanwhile, experiments were made to design an efficient protocol for extracting proteins from the reactor digestate and comparing produced hydrolytic enzymes depending of the conditions. It was shown that proteins are mostly present in the liquid fraction.

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BibTeX @mastersthesis{Bailleul2015,author={Bailleul, Gautier and Bettiga, Maurizio and Kampman, Christel},title={Enhancing the hydrolysis yield in thermophilic anaerobic digestion of cattle manure},abstract={The purpose of the research is to improve the biogas production rate and yield during anaerobic digestion of cattle manure.
Hydrolysis being an anaerobic digestion-limiting step, a literature study was carried out on the ways to improve it by varying the experimental conditions. Bioaugmentation, addition of surfactant and decreasing the pH to 7.0 were expected to enhance biogas production. Growth of selected organisms was studied for their addition into reactors. Two reactors were operated under pH-control at 7.0 but the experiment had to be stopped because of the acid addition that was excessive.
Meanwhile, experiments were made to design an efficient protocol for extracting proteins from the reactor digestate and comparing produced hydrolytic enzymes depending of the conditions. It was shown that proteins are mostly present in the liquid fraction.},publisher={Extern, UPL-instans},place={Göteborg},year={2015},}

RefWorks RT GenericSR ElectronicID 252204A1 Bailleul, GautierA1 Bettiga, MaurizioA1 Kampman, ChristelT1 Enhancing the hydrolysis yield in thermophilic anaerobic digestion of cattle manureYR 2015AB The purpose of the research is to improve the biogas production rate and yield during anaerobic digestion of cattle manure.
Hydrolysis being an anaerobic digestion-limiting step, a literature study was carried out on the ways to improve it by varying the experimental conditions. Bioaugmentation, addition of surfactant and decreasing the pH to 7.0 were expected to enhance biogas production. Growth of selected organisms was studied for their addition into reactors. Two reactors were operated under pH-control at 7.0 but the experiment had to be stopped because of the acid addition that was excessive.
Meanwhile, experiments were made to design an efficient protocol for extracting proteins from the reactor digestate and comparing produced hydrolytic enzymes depending of the conditions. It was shown that proteins are mostly present in the liquid fraction.PB Extern, UPL-instans,PB Institutionen för biologi och bioteknik, Industriell bioteknik, Chalmers tekniska högskola,PB Institutionen för biologi och bioteknik, Chalmers tekniska högskola,PB Institutionen för biologi och bioteknik, Industriell bioteknik, Chalmers tekniska högskola,LA engLK http://publications.lib.chalmers.se/records/fulltext/252204/252204.pdfOL 30